And I've had equal discussion from others demanding this feature, so there you go.
On Sunday, January 13, 2013, Lenny Primak wrote: > Howard, is there a particular use case for this? This sounds like an > overkill and unnecessary. > There are also most likely locking going on just to get to the per thread > access to the field even before the session gets accessed. > I view is change as a performance killer as well with no benefits > whatsoever. > > Good catch Denis. > > On Jan 13, 2013, at 5:57 AM, Denis Stepanov > <[email protected]<javascript:;>> > wrote: > > > Changes introduced in https://issues.apache.org/jira/browse/TAP5-2049bring > > some bad consequences. > > > > Now, if your request accesses the session every other request will wait > to access the session until the previous request is done, it means long > running request could block all other requests, this bring major > performance issues. > > > > Some points I have mentioned in the comments: > > > > - We have many concurrent ajax request, this change means major > performance issue for us! > > - This will not work in a clustered environment, the clustered session > class shouldn't inherit the locks functionality. > > - Tapestry should not do this by default, any kind of synchronization > between the requests is bad idea and should be avoided at any cost. > > > > Cases when you need to synchronize session's state should be dealt with > individually, not forcing everyone into using it. > > > > Tapestry should not try to outsmart the servlet specification, the > session object should only be wrapping the HttpSession without bringing > some major behavior changes. Session synchronization is anti-pattern and > should not be promoted in a first place. > > > > Denis > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] <javascript:;> > For additional commands, e-mail: [email protected]<javascript:;> > > -- Howard M. Lewis Ship Creator of Apache Tapestry The source for Tapestry training, mentoring and support. Contact me to learn how I can get you up and productive in Tapestry fast! (971) 678-5210 http://howardlewisship.com
